[PATCH] FT: disable PMKSA cache for FT-IEEE8021X

Hong Wu Hong.Wu at dspg.com
Mon Jun 27 16:14:26 EDT 2011


wpa_supplicant uses XXKEY instead of PMK to derive PMK-R0 and PMK-R1 for
FT-IEEE8021X key mgmt.

 

Signed-off-by: Hong Wu <hong.wu at dspg.com>

---

 src/rsn_supp/wpa.c |    6 ++++--

 1 files changed, 4 insertions(+), 2 deletions(-)

 

diff --git a/src/rsn_supp/wpa.c b/src/rsn_supp/wpa.c

index 01a46dc..92556de

--- a/src/rsn_supp/wpa.c

+++ b/src/rsn_supp/wpa.c

@@ -198,7 +198,8 @@ static int wpa_supplicant_get_pmk(struct wpa_sm *sm,

                  wpa_hexdump_key(MSG_DEBUG, "WPA: PMK from EAPOL state
"

                              "machines", sm->pmk, pmk_len);

                  sm->pmk_len = pmk_len;

-                 if (sm->proto == WPA_PROTO_RSN) {

+                 if (sm->proto == WPA_PROTO_RSN && 

+                             !wpa_key_mgmt_ft(sm->key_mgmt)) {

                        pmksa_cache_add(sm->pmksa, sm->pmk, pmk_len,

                                    src_addr, sm->own_addr,

                                    sm->network_ctx, sm->key_mgmt);

@@ -227,7 +228,8 @@ static int wpa_supplicant_get_pmk(struct wpa_sm *sm,

            }

      }

 

-     if (abort_cached && wpa_key_mgmt_wpa_ieee8021x(sm->key_mgmt)) {

+     if (abort_cached && wpa_key_mgmt_wpa_ieee8021x(sm->key_mgmt) && 

+                             !wpa_key_mgmt_ft(sm->key_mgmt)) {

            /* Send EAPOL-Start to trigger full EAP authentication. */

            u8 *buf;

            size_t buflen;

-- 

1.7.0.4


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